What they do:
Economically and environmentally sustainable supersonic travel
Quick facts:
HQ: Denver, CO, United States
Top Deep Tech Startups in Colorado
This list has 31 startups and was last updated on Oct 15, 2026. 4 of them are hiring right now. Biggest hubs: Denver (13), Boulder (3), and Golden (3). Largest teams: Boom, Accept.inc (formerly BoardRE), and H3X Technologies. Latest round: Syrcuit Energy Solutions raised $400K (Oct 7, 2026).
31 startups
Quindar
Hiring
What they do:
Datadog for Space
Quick facts:
HQ: Denver, CO, United States
Albedo
Hiring
What they do:
Full-stack VLEO satellite missions
Quick facts:
HQ: Denver, CO, United States
What they do:
The lightest electric aircraft motors in the world.
Quick facts:
HQ: Denver, CO, United States
Blissway
Hiring
What they do:
The tolling industry’s prime tech infrastructure
Quick facts:
HQ: Denver, CO, United States
What they do:
The financial foundation for every real estate development decision
Quick facts:
HQ: Denver, CO, United States
What they do:
Arpeggio Bio develops drugs targeting transcription factors using AI…
Quick facts:
HQ: Boulder, CO, United States
Offstream
Hiring
What they do:
Vanta for carbon compliance
Quick facts:
HQ: Denver, CO, United States
What they do:
Shopify for Homebuilders
Quick facts:
HQ: Boulder, CO, United States
What they do:
Reliable infrastructure to build, deploy and manage real-world robots.
Quick facts:
HQ: Denver, CO, United States
What they do:
Kill the drone, keep the jet. Reusable unmanned interceptors.
Quick facts:
HQ: Denver, CO, United States
Quick facts:
HQ: Louisville, CO, United States
Funding:
$52.5M · Debt · Jun 2026
Quick facts:
HQ: Boulder, CO, United States
Incorporated: 2021
Funding:
$21M · Equity · Feb 2026
Quick facts:
HQ: Thornton, CO, United States
Funding:
$10M · Equity · Jan 2026
Quick facts:
HQ: Golden, CO, United States
Incorporated: 2024
Funding:
$5.2M · SAFE · Apr 2026
Quick facts:
HQ: Englewood, CO, United States
Incorporated: 2025
Funding:
$4.73M · Equity · May 2026
Quick facts:
HQ: Littleton, CO, United States
Funding:
$2.98M · SAFE · Mar 2026
Quick facts:
HQ: Colorado Springs, CO, United States
Incorporated: 2025
Funding:
$2.73M · Equity · Mar 2026
Quick facts:
HQ: Windsor, CO, United States
Incorporated: 2025
Funding:
$2.26M · Equity · Oct 2026
Quick facts:
HQ: La Junta, CO, United States
Incorporated: 2021
Funding:
$1.95M · Equity · Mar 2026
Quick facts:
HQ: Colorado Springs, CO, United States
Incorporated: 2026
Funding:
$1.79M · Equity · Mar 2026
Quick facts:
HQ: Denver, CO, United States
Funding:
$1.5M · Debt · Jan 2026
Quick facts:
HQ: Golden, CO, United States
Funding:
$1.25M · Equity · Mar 2026
Quick facts:
HQ: Longmont, CO, United States
Funding:
$1.17M · Equity + debt · Mar 2026
Quick facts:
HQ: Erie, CO, United States
Incorporated: 2023
Funding:
$1M · Equity · Apr 2026
Quick facts:
HQ: Colorado Springs, CO, United States
Incorporated: 2026
Funding:
$525K · SAFE · Sep 2026
Quick facts:
HQ: Greeley, CO, United States
Incorporated: 2021
Funding:
$400K · Options · Oct 2026
Quick facts:
HQ: Golden, CO, United States
Incorporated: 2026
Funding:
$200K · SAFE · Oct 2026
Accept.inc (formerly BoardRE)
Acquired
What they do:
BoardRE is a new type of mortgage company that upgrades any offer…
Quick facts:
HQ: Denver, CO, United States
Heimdal
Shut down
What they do:
Affordable and verified direct air carbon capture and storage
Quick facts:
HQ: Denver, CO, United States
Pursuit
Shut down
What they do:
Turnkey co-ownership & management of properties
Quick facts:
HQ: Denver, CO, United States
Questions and answers
How many startups are on this list?
There are 31 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
4 of them are hiring right now, including Quindar, Albedo, and Blissway.
Which of them have the largest teams?
By team size: Boom (227 employees), Accept.inc (formerly BoardRE) (80 employees), and H3X Technologies (58 employees).
Which of them raised money recently?
Latest rounds: Syrcuit Energy Solutions — $400K Options (Oct 2026), Kepler Defense Industries — $200K SAFE (Oct 2026), and American Fertilizer — $2.26M Equity (Oct 2026).
Where are they based?
The biggest hubs are Denver (13), Boulder (3), and Golden (3).